Seiko Serial Numbers Complete Guide and Date - Millenary Watches
Date Your Seiko Watch By Serial Number - EmmyWatch
The first Grand Seiko is re-created in Brilliant Hard Titanium with an urushi dial to mark 110 years since the introduction of Japan's first wristwatch. | Grand Seiko
How OLD is my SEIKO? Find out when your SEIKO Watch was made! Learn How-to find the year it was made - YouTube
Question] Can't figure out date of manufacture and can't find this watch online ! Seiko 144360 1400-7140 : r/Seiko